/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.jpdl.parsing;

import java.util.List;

import org.jbpm.jpdl.internal.xml.JpdlParser;
import org.jbpm.pvm.internal.client.ClientProcessDefinition;
import org.jbpm.pvm.internal.xml.Problem;
import org.jbpm.test.BaseJbpmTestCase;

/**
 * @author Tom Baeyens
 */
public abstract class JpdlParseTestCase extends BaseJbpmTestCase {

  protected static final JpdlParser jpdlParser = new JpdlParser();

  public List<Problem> parseProblems(String xmlString) {
    List<Problem> problems = jpdlParser.createParse()
               .setString(xmlString)
               .execute()
               .getProblems();
    if (problems.isEmpty()) {
      fail("expected problems during parse");
    }
    return problems;
  }
  
  public ClientProcessDefinition parse(String xmlString) {
    JpdlParser jpdlParser = new JpdlParser();
    Object documentObject = jpdlParser.createParse()
               .setString(xmlString)
               .execute()
               .checkErrors("process definition xml string")
               .getDocumentObject();
    if (documentObject instanceof List<?>) {
      List<?> processDefinitions = (List<?>) documentObject;
      if (!processDefinitions.isEmpty())
        return (ClientProcessDefinition) processDefinitions.get(0);
    }
    return null;
  }

}
